Salesforce will be switching to MFA from 1 February 2022. From this date, all Salesforce customers will be contractually required to use MFA in order to access Salesforce products. We have created this article about what it is and what steps your team will need to take to set this up.

If your organisation uses lightning apps and has one or more external domains calling on your Salesforce resources then you will need to ensure that they are added to the Cross-Origin Resource Sharing (CORS) Allowlist in preparation of the February 1 2022 Update.